Category: Best Summer Sunblocks

Sunlight has long been thought to be the cause of premature skin aging, and skin cancer. UV radiation is the actual in culprit. There are 3 types of UV radiations; UVC 160-290nm, UVB 290-320nm, and UNA 320-400nm. UV rays cause free radicals. Free radicals are unstable O2 molecules that have one electron instead of 2. They are negatively changed. Electrons are found in pairs so Read More …